21554524

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{1109}}^1$

素因数の和:1269

約数の個数: 24

約数和(自身を含む): 38974320

約数和(自身を除く): 17419796

約数列:

[1, 2, 4, 43, 86, 113, 172, 226, 452, 1109, 2218, 4436, 4859, 9718, 19436, 47687, 95374, 125317, 190748, 250634, 501268, 5388631, 10777262, 21554524]

約数ペア:

[(1, 21554524), (2, 10777262), (4, 5388631), (43, 501268), (86, 250634), (113, 190748), (172, 125317), (226, 95374), (452, 47687), (1109, 19436), (2218, 9718), (4436, 4859)]